Kalshi and Arizona gaming regulators want the Ninth Circuit to slow down an appeal that could help define how far federal commodities law reaches into state gambling enforcement. In a joint filing submitted May 27, both sides asked the court to pause briefing while several related appeals already pending before the same circuit are decided. The request follows oral arguments heard in April involving Kalshi, Robinhood Derivatives and North American Derivatives Exchange. These focus on whether the Commodity Exchange Act gives the Commodity Futures Trading Commission exclusive authority over event contracts offered through federally regulated exchanges. The parties told the court that any pending appeals “could bear on the questions at issue in this appeal” and argued that waiting for decisions would help produce briefs “that will be most useful to the Court.” Under the current schedule, Kalshi’s opening brief is due June 8.…